Adding two parts sand and 6-1/2 to 7 gallons of water to a sack of portland cement makes _____.
a. cement
b. concrete
c. mastic
d. mortar
d. mortar
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A 67° angle is called what type of angle?
Fill in the blank(s) with the appropriate word(s).
SMAW requires external shielding gas
Indicate whether the statement is true or false
Technician A says that wet cell battery gassing produces an explosive mixture of hydrogen and oxygen and that great care should be taken any time a battery is being charged. Technician B says that gassing occurs only during battery discharge cycles on maintenance-free batteries. Who is correct?
A. Technician A B. Technician B C. Both technicians A and B D. Neither technicians A nor B
A section drawing shows the internal portion of an object and is usually drawn to scale using a cutting plane.
Answer the following statement true (T) or false (F)